import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [{
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [{
      path: '/redirect/:path(.*)',
      component: () => import('@/views/redirect/index')
    }]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/exam-login',
    component: () => import('@/views/exam-login/index'),
    hidden: true
  },
  {
    path: '/exam-home',
    component: () => import('@/views/exam-home/index'),
    hidden: true
  },
  {
    path: '/exam-fonfirm',
    component: () => import('@/views/exam-confirm/index'),
    hidden: true
  },
  {
    path: '/exam-result',
    component: () => import('@/views/exam-result/index'),
    hidden: true
  },
  {
    path: '/auth-redirect',
    component: () => import('@/views/login/auth-redirect'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/profile',
    component: Layout,
    redirect: '/profile/index',
    hidden: true,
    children: [{
      path: 'index',
      component: () => import('@/views/profile/index'),
      name: 'Profile',
      meta: {
        title: '个人简介',
        icon: 'user',
        noCache: true
      }
    }]
  }
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [{
    path: '/',
    component: Layout,
    redirect: '/exam'
  },
  /** when your routing map is too long, you can split it into small modules **/
  {
    path: '/exam',
    component: Layout,
    redirect: '/exam/index',
    name: 'Exam',
    meta: {
      title: '考试管理',
      icon: 'tree-table'
    },
    children: [{
      path: 'index',
      component: () => import('@/views/exam/index'),
      name: 'ExamIndex',
      meta: {
        title: '考试设置',
      }
    }, {
      path: 'other',
      component: () => import('@/views/exam-other/index'),
      name: 'ExamIndex',
      meta: {
        title: '其它考试设置',
      }
    }]
  },
  {
    path: '/exam/user',
    component: Layout,
    redirect: '/exam/user/index',
    name: 'ExamUser',
    children: [{
      path: 'index',
      component: () => import('@/views/exam-user/index'),
      name: 'ExamUserIndex',
      meta: {
        title: '考生管理',
        icon: 'user'
      }
    }]
  },
  {
    path: '/question/lib',
    component: Layout,
    redirect: '/question/lib/index',
    name: 'QuestionLib',
    meta: {
      title: '题库管理',
      icon: 'component'
    },
    children: [{
      path: 'index',
      component: () => import('@/views/question-lib/index'),
      name: 'QuestionLibIndex',
      meta: {
        title: '题库管理'
      }
    }, {
      path: 'paper',
      component: () => import('@/views/question-lib/paper/index'),
      name: 'QuestionLibPaper',
      meta: {
        title: '试卷生成'
      }
    }]
  },
  {
    path: '/question',
    component: Layout,
    redirect: '/question/index',
    name: 'Question',
    children: [{
      path: 'index',
      component: () => import('@/views/question/index'),
      name: 'QuestionIndex',
      meta: {
        title: '考试题目',
        icon: 'excel'
      }
    }]
  },
  {
    path: '/record',
    component: Layout,
    redirect: '/record/index',
    name: 'Record',
    meta: {
      title: '成绩信息',
      icon: 'tab'
    },
    children: [{
      path: 'index',
      component: () => import('@/views/record/index'),
      name: 'RecordIndex',
      meta: {
        title: '考试成绩',
      }
    }, {
      path: 'other',
      component: () => import('@/views/record-other/index'),
      name: 'RecordIndex',
      meta: {
        title: '其它成绩',
      }
    }]
  },
  {
    path: '/dict',
    component: Layout,
    redirect: '/dicr/index',
    name: 'dict',
    children: [{
      path: 'index',
      component: () => import('@/views/dict/index'),
      name: 'DictIndex',
      meta: {
        title: '字典管理',
        icon: 'excel'
      }
    }]
  },
  // 404 page must be placed at the end !!!
  {
    path: '*',
    redirect: '/404',
    hidden: true
  }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({
    y: 0
  }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
